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Load center power module
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Patent number D322953
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Issue date Jan 7, 1992
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Square D Company
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Robert J. Brown
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D13 - Equipment for production, distribution, or transformation of energy
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Load center control module
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Patent number D322243
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Issue date Dec 10, 1991
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Square D Company
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Robert J. Brown
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D13 - Equipment for production, distribution, or transformation of energy
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Module for selective signal response
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Patent number D314555
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Issue date Feb 12, 1991
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Teletimer International, Inc.
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Robert J. Brown
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D13 - Equipment for production, distribution, or transformation of energy
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